Finding the Fourth Proportional to 624,164.10, 936,246.15 and 519,101.70
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Solution
The fourth proportional to 624,164.10, 936,246.15 and 519,101.70 is: 778,652.55
Step by Step Solution
- Step 1: Write the proportion equation
624,164.10 : 936,246.15 = 519,101.70 : x - Step 2: Convert to fraction form
624,164.10/936,246.15 = 519,101.70/x - Step 3: Cross multiply
624,164.10x = 936,246.15 × 519,101.70 - Step 4: Simplify right side
624,164.10x = 486,006,968,083.46 - Step 5: Solve for x
x = 486,006,968,083.46/624,164.10 - Step 6: Final answer
x = 778,652.55
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Similar ratio
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.